- Describe the four parts of any programmable logic controller (PLC)
- Explain how a PLC program is different from a BASIC, C, Java or Fortran program.
- Explain the four things that occur when the PLC processor starts to scan
- Compare how a PLC controls a conveyor sorting system to the way a typical solid-state logic circuit would control it.
- Explain the function of an input module and describe the circuitry used to complete this function.
- Explain the function of an output module and describe the circuitry used to complete this function.
- Explain the function of an internal control relay.
- Discuss the classifications of PLCs.
- Describe what happens when a PLC is in run mode.
- Explain the function of the address of an input or output to the PLC processor and to the tech who must troubleshoot the PLC.
- Identify the input and output instructions for a PLC.
- Read what a mnemonic is.
- Read and interpret a PLC program.
- Explain the operation of a latch and unlatch coil.
- Explain the operation of a PLC up counter and down counter.
- Explain the operation of a PLC on-delay timer.
- Explain how a PLC timer or counter can reach values above 9999.
- Describe the operation of a PLC sequencer.
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